General Organic Chemistry – JEE Advanced Previous Year Questions with Solutions
JEE Advanced Previous Year Questions of Chemistry with Solutions are available at eSaral. Practicing JEE Advanced Previous Year Papers Questions of Chemistry will help the JEE aspirants in realizing the question pattern as well as help in analyzing weak & strong areas.Simulator Previous Years JEE Advance Questions
Q. The correct acidity order of the following is :(A) (III) > (IV) > (II) > (I)(B) (IV) > (III) > (I) > (II)(C) (III) > (II) > (I) > (IV)(D) (II) > (III) > (IV) > (I) [IIT-JEE-2009]

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Sol. (A)(A) Acidity $\propto-R /-I \propto \frac{1}{+R /+I}$

Q. The correct stability order of the following resonance structures is [IIT-2009]

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Sol. (B)

Q. Amongst the following, the total number of compounds soluble in aquesous NaOH is: [IIT-JEE-2010]

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Sol. 4(4) Compound which is more acidic than water is soluble in NaOH

Q. The total number of contributing structures showing hyperconjugation (involving C–H bonds) for the following carbocation is. [IIT-2011]

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Sol. 6$6 \propto \mathrm{H}$ ore present.

Q. Among the following compounds, the most acidic is –(A) p-nitrophenol(B) p-hydroxybenzoic acid(C) o-hydroxybenzoic acid(D) p-toluic acid [IIT-JEE-2011]

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Sol. (C)

Q. Which of the following molecules, in pure from , is (are) unstable at room temperature ? [IIT-2012]

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Sol. (B,C)Anti – Aromatic : B,C

Q. The carboxyl functional group (–COOH) is present in –(A) picric acid(B) barbituric acid(C) ascorbic acid(D) aspirin [IIT-JEE-2012]

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Sol. (D)

Q. Identify the binary mixtures (s) that can be separated into the individual compounds, by differential extraction, as shown in the given scheme –(A) $\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{OH}$ and $\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{COOH}$(B) $\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{COOH}$ and $\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{CH}_{2} \mathrm{OH}$(C) $\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{CH}_{2} \mathrm{OH}$ and $\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{OH}$(D) $\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{CH}_{2} \mathrm{OH}$ and $\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{CH}_{2} \mathrm{COOH}$ [IIT-JEE-2012]

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Sol. (B,D)

Q. The hyperconjugative stbilities of tert-butyl cation and 2-butene, respectively, are due to –(A) $\sigma \rightarrow \mathrm{p}$ (empty) and $\sigma \rightarrow \pi$ electron delocalisations(B) $\sigma \rightarrow \sigma$ and $\sigma \rightarrow \pi$ electron delocalisations(C) $\sigma \rightarrow \mathrm{p}(\text { filled })$ and $\sigma \rightarrow \pi$ electron delocalisations(D) $\mathrm{p}$ (filled) $\rightarrow \sigma$ and $\sigma \rightarrow \pi$ electron delocalisations [IIT-2013]

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Sol. (A)

Q. The total number of lone-pairs of electrons in melamine is – [IIT-2013]

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Sol. 6

Q. The compound that does NOT liberate $\mathrm{CO}_{2}$, on treatment with aqueous sodium bicarbonate solution, is –(A) Benzoic acid(B) Benzenesulphonic acid(C) Salicylic acid(D) Carbolic acid (phenol) [JEE-ADVANCED-2013]

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Sol. (D)(D) Compound which is more acidic than $\mathrm{H}_{2} \mathrm{CO}_{3}$ liberate $\mathrm{CO}_{2}$ gas.

Q. Hydrogen bonding plays a central role in the following phenomena(A) Ice floats in water(B) Higher Lewis basicity of primary amines than tertiary amines in aqueous solutions(C) Formic acid is more acidic than acetic acid(D) Dimerisation of acetic acid in benzene [JEE-ADVANCED-2014]

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Sol. (A,B,D)

Q. The number of resonance structures for N is : [IIT-2015]

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Sol. 9

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Comments
  • September 19, 2022 at 3:00 pm

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  • March 25, 2022 at 2:08 pm

    Nice one and helpful qns

  • September 14, 2021 at 7:36 pm

    Well thanks

    • September 27, 2021 at 3:02 pm

      Thank you very much …💖💖💖

  • September 26, 2020 at 7:20 pm

    Thanks

  • September 25, 2020 at 3:09 pm

    please give whole solutions

  • September 25, 2020 at 3:08 pm

    good work but some solutions are wrong

    • June 6, 2021 at 11:58 am

      yes true

  • September 18, 2020 at 10:00 pm

    Thanks a lot.

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  • August 25, 2020 at 11:33 am

    Solutions are not precise and some don’t have any explaination.

    • September 20, 2021 at 6:21 am

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  • July 21, 2020 at 7:12 pm

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  • July 21, 2020 at 11:08 am

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  • July 10, 2020 at 4:55 pm

    thanku

  • May 24, 2020 at 11:41 pm

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  • May 24, 2020 at 11:40 pm

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    • August 11, 2022 at 8:09 am

      Really